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Finding the Fourth Proportional to 16,966.78, 25,416.13 and 8,646.46

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Solution

The fourth proportional to 16,966.78, 25,416.13 and 8,646.46 is: 12,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.78 : 25,416.13 = 8,646.46 : x
  2. Step 2: Convert to fraction form
    16,966.78/25,416.13 = 8,646.46/x
  3. Step 3: Cross multiply
    16,966.78x = 25,416.13 × 8,646.46
  4. Step 4: Simplify right side
    16,966.78x = 219,759,551.40
  5. Step 5: Solve for x
    x = 219,759,551.40/16,966.78
  6. Step 6: Final answer
    x = 12,952.34

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